afghanistan and he's meeting with leaders there and meeting with u.s. troops. early wake-up call on the shuttle atlantis. >> ♪ i get knocked down i get back up again i get knocked down i get back up again ♪ >> seems like i just heard it on the radio yesterday. waking up to the song and today they will be supplying a supply module on the outside of the international space station using a robotic arm and they'll prepare for a space walk tomorrow. meantime, nasa keeping a close eye on some space degree that could come dangerously close to the space station. the duke and duchess of cambridge are back home in london after a 12-day tour of canada and the united states. william and kate left los angeles international airport yesterday taking up more than a dozen seats in first class on a regular british airways commercial flight. the final activity on their california trip paying tribute to the men and women in the military and helping make care packages for children of deployed service members. and those are your headlines. >> they look very much at home in america. >> they did.